Step |
Hyp |
Ref |
Expression |
1 |
|
cdlemg4.l |
|
2 |
|
cdlemg4.a |
|
3 |
|
cdlemg4.h |
|
4 |
|
cdlemg4.t |
|
5 |
|
cdlemg4.r |
|
6 |
|
cdlemg4.j |
|
7 |
|
cdlemg4b.v |
|
8 |
|
eqid |
|
9 |
1 6 8 2 3 4 5
|
trlval2 |
|
10 |
9
|
3com23 |
|
11 |
7 10
|
syl5eq |
|
12 |
11
|
oveq2d |
|
13 |
|
simp1 |
|
14 |
|
simp2l |
|
15 |
1 2 3 4
|
ltrnel |
|
16 |
15
|
3com23 |
|
17 |
|
eqid |
|
18 |
1 6 8 2 3 17
|
cdleme0cq |
|
19 |
13 14 16 18
|
syl12anc |
|
20 |
12 19
|
eqtrd |
|